.big_img_left{
    width: 100%;
    height: 30em;
    padding-top: 1em;
    padding-bottom: 1em;
}

.big_img_left img{
    width: 60%;
    height: 100%;
    object-fit: cover;
}

.img_detial{
    width: 50%;
    height: auto;
    max-height: 20em;
    overflow: auto;
    border-radius: 2em;
    background-color: white;
    box-shadow: 0em 0.2em 0.2em #00000011;
    padding-left: 2em;
    padding-right: 2em;
    padding-top: 1em;
    padding-bottom: 1em;
}

.big_img_left .img_detial{
    position: relative;
    top: -25em;
    left: 50%;
}

.img_year{
    font-size: 3em;
    font-weight: bold;
    color: #000;
    font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
}

.img_day{
    font-size: 1em;
    color: #bebebe;
    font-family: "微软雅黑",microsoft yahei;
    margin-top: 0.5em;
    margin-bottom: 0.5em;
}

.img_title{
    font-size: 1.5em;
    color: rgba(0, 0, 0, 0.856);
    font-weight: bold;
    line-height: 1.4;
    overflow: hidden;
    margin-bottom: 0.3em;
}
